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A single source for clean water and fuel

Earth

A single source for clean water and fuel

Sewage-munching algae may soon be hard at work, cleaning up wastewater and producing fuel, all in one go

News

Wind and wave farms could affect Earth's energy balance

Earth

Wind and wave farms could affect Earth's energy balance

News

Fukushima radioactive fallout nears Chernobyl levels

Earth

Fukushima radioactive fallout nears Chernobyl levels

News

Starting over: Rebuilding civilisation from scratch

Earth

Starting over: Rebuilding civilisation from scratch

Features

Hold planes at the gate to cut greenhouse gases

Earth

Hold planes at the gate to cut greenhouse gases

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Thorium reactors could rescue nuclear power

Earth

Thorium reactors could rescue nuclear power

News

Fossil fuels are far deadlier than nuclear power

Earth

Fossil fuels are far deadlier than nuclear power

News

Fukushima throws spotlight on quake zone nuclear power

Earth

Fukushima throws spotlight on quake zone nuclear power

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Technology

Briefing: How nuclear accidents damage human health

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Technology

Shock wave puts hybrid engines in a spin

A prototype engine that relies on shock waves could allow hybrid cars to boost their efficiency even further

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Technology

Smart-grid 'stockbrokers' to manage your power

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Earth

Solar energy spars with spiritual lands in California

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Earth

Power of cool: Liquid air to store clean energy

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Technology

Magnetic 'battery' to report on century-old nuke waste

News